Powertrain
generic / SAE
P26E0
Sensor Power Supply D Circuit Low
The 5 V supply rail D is below the expected level. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / E0
Possible causes
- Reference wire shorted to ground high
- Sensor on the rail shorted internally to ground medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1200 €
- Estimated time: 0.8–4 h
- Component: control module
- Component: sensor supply d
- Component: sensors on rail d
- MIL / check engine light
Sources
References
sae:J2012